Because I quite enjoy basketball and video games, I'll hop in too:
Point Guard
Wario - Warioland, Warioware, Mario Party
Short, competitive and angry; this is everything a good point guard needs to be. As the shortest position in terms of height, their entire job is creating shot opportunities for their team. I 100% believe Wario would bulldoze an opponent to open a chance at a 3-pointer.
Shooting Guard
Nathan Drake - Uncharted, Uncharted 2, Uncharted 3
Nathan Drake is a resilient man, in the prime of his life (I'm using PS3-era) and he's the perfect choice for the role of shooting guard. This role is meant for players that are capable of making it into the paint and scoring on offense, and taking the ball away from opponents on defense.
Center
Pyramid Head - Silent Hill 2, Silent Hill Homecoming
Standing at an impressive 7'9" Pyramid Head is the perfect height to be a center. Traditionally the tallest player on the team, the center is best utilized as a high-efficiency scorers and rebounders, typically without a lot of assistance. Pyramid is perfect for this, as his higher-than-normal body mass and strength would give him excellent ball control.
Power Forward
A Single Abyss Watcher - Dark Souls III
This one took me a LONG time to pick, but at the end of the day I think I made the right choice. Abyss Watchers are believed to stand at around 7' tall, putting them within range to be a great power forward. Abyss Watchers are known for having an extreme stamina, determined warriors and being loyal to the end, making them excellent candidates for block-heavy shot making. They aren't taller than Pyramid Head either, which sets a solid dynamic for the offense.
Small Forward
Guile - Street Fighter II, Street Fighter Alpha, Capcom vs Street Fighter
Standing at 6', Guile has an almost ideal height for a small forward. His military career and combat experience make him a strategic powerhouse on the court, allowing him to provide a well-thought-out ironclad defense when needed. I have very little doubt in my mind that Guile would easily be able to tradeoff between scoring and defending.
